Naturally & artificially flavored. 2 can bonus - 8 cans for the price of 6. To help you get started today. Controls hunger up to 4 hours. 180 calories. 10 g protein. 5 g fiber. Approved BestLife. Eat Smart - based on US Dietary Guidelines. US Dietary Guidelines recommend eating a varied, nutritious diet within your calorie needs. The Slim-Fast Optima Diet helps control caloric (energy) intake and provides balanced nutrition to help you achieve a healthy weight. At Slim-Fast, we believe that everyone has a right to their right body. With Slim-Fast, you can find the weight and size that is right for you. Slim-Fast products help control calories and your hunger, and the Slim-Fast Plan provides balanced nutrition which lets you enjoy a variety of foods, so it's easier to stay motivated, lose weight and find your slim! Did you know? Slim-Fast is a proven approach to weight loss, with over 35 published clinical studies designed & conducted by independent researchers. One Slim-Fast Optima Shake provides the balanced nutrition of a meal, with 5 g fiber and 1/3 of the recommended intake for most essential vitamins and minerals, including 50% of the daily value for calcium. Contains no strawberry juice.